An efficient synthesis of optically pure anthracyclinone intermediates by the novel use of microbial reduction
作者:Shiro Terashima、Katsumi Tamoto
DOI:10.1016/s0040-4039(00)88665-7
日期:1982.1
Reduction of the racemic α-hydroxy ketones((±)-3a,b) with fermenting baker's yeast followed by fractional recrystallization and oxidation was found to readily afford opticallypure anthracyclinone intermediates((R) (−)-3a,b and their partially optically active antipodes ((S)(+)-3a,b). The useless enantiomers ((S)(+)-3a,b and diastereomeric vicinal-diols((+)- 5a,b) could be recycled to (±)-3a,b and